I’ve taken the liberty of moving your post into Community Laser Talk. Here you will find other ‘more inventive’ folks who may be able to help you get to your goal.
I can’t recommend or advocate for remote functionality but I can refer to posts that I’ve read. I’m not certain that I can help but there may be some historical stuff that may be of interest.
May I ask what type of Fire extinguisher you own? CO2 does the least damage to your Laser engraver. Dry powder is an excellent last resort if you’re protecting property or people.